/Engine/Source/Runtime/Overlay/Public/BasicOverlays.h
Retrieves the set of overlays associated with this object for the given timespan (must be implemented by child classes)
virtual void GetOverlaysForTime ( const [FTimespan](API\Runtime\Core\Misc\FTimespan) & Time, [TArray](API\Runtime\Core\Containers\TArray)< [FOverlayItem](API\Runtime\Overlay\FOverlayItem) > & OutOverlays ) const